#boss {
    padding: 0 10px;
    /* background: pink; */
}

#boss .nav {
    position: fixed;
    width: 1243px;
    height: 130px;
    /* background: #1b1b1b31; */
    color: #d0cac5;
    overflow: hidden;
}

.navurl {
    display: none;
    position: fixed;
    width: 1243px;
    height: 130px;
    background: #1b1b1b;
}

.navtop>ul {
    float: left;
    overflow: hidden;
    /* background: rgb(255, 72, 0); */
}

.navtop>ul>li {
    float: left;

}

.navtop .navleft {
    width: 300px;
}

.navtop .navleft>li {
    font-size: 14px;
    padding: 20px 10px;

}

.navtop .navright {
    width: 300px;
    margin-left: 240px;
}

.navtop .navright>li {
    font-size: 14px;
    padding: 20px 10px;
}

.m5 {
    width: 40px;
    height: 36px;
}

.m1,
.m3,
.m4 {
    height: 20px;
    width: 20px;
}

.navcenter {
    margin-top: 30px;
    width: 400px;

}

.navcenter .m2 {
    width: 160px;
    height: 30px;
    margin-left: 230px;
}



.navxia {
    overflow: hidden;
    width: 700px;
    height: 30px;
    /* background: yellow; */
    margin: auto;
    padding: 20px;
}

.navxia>li {
    float: left;
    margin-left: 45px;
}


/* 二级导航css */
.navtow {
    z-index: 200;
    background: #f3f3f3ef;
    width: 1243px;
    height: 200px;
    padding: 10px 100px;
    color: #adabab;
    overflow: hidden;
    position: fixed;
    margin-top: 130px;
    display: none;
}

.navtow ul {
    float: left;
    margin-left: 150px;

}

.navtow ul li {
    padding: 8px;
}

.navtow ul .firstli {
    font-size: 16px;
    color: black;
}

.mynum {
    color: red;
}